n | a(n) |
---|---|
1 | 1 |
2 | 8 |
3 | 84 |
4 | 448 |
5 | 3196 |
6 | 29864 |
7 | 216530 |
8 | 1699268 |
9 | 14546928 |
10 | 116482068 |
11 | 950119628 |
12 | 7969545520 |
13 | 65812921362 |
14 | 546169532636 |
15 | 4575686136942 |
16 | 38231452993064 |
17 | 320077674218718 |
18 | 2689588505089064 |
19 | 22606933344228744 |
20 | 190257872374203952 |
[1,8,84,448,3196,29864,216530,1699268,14546928, 116482068,950119628,7969545520,65812921362, 546169532636,4575686136942,38231452993064, 320077674218718,2689588505089064, 22606933344228744,190257872374203952] |